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Bearing 2308 (KOYO)
Self-aligning ball bearings 2308
Bearing number : 2308
Size (mm) : 40x90x33
Brand : KOYO
Bore Diameter (mm) : 40
Outer Diameter (mm) : 90
Width (mm) : 33
Bearing dimensions and specification in KOYO catalogue:
d - 40 mm
D - 90 mm
B - 33 mm
C - 33 mm
r min. - 1.5 mm
da min. - 48 mm
Da max. - 82 mm
ra max. - 1.5 mm
Weight - 0.925 Kg
Basic dynamic load rating (C) - 44.9 kN
Basic static load rating (C0) - 13.5 kN
(Grease) Lubrication Speed - 6200 r/min
(Oil) Lubrication Speed - 8600 r/min
Calculation factor (e) - 0.43
Calculation factor (Y0) - 1.54
Calculation factor (Y1) - 1.47
Calculation factor (Y2) - 2.27
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